160results about "Air cooling" patented technology

The invention provides a cooling air duct structure and a generator set. The cooling air duct structure comprises a power body, a first shell, a motor body, a second impeller, a second shell, a silencer body and a third shell. The first shell is arranged on the rear side of the power body, and the motor body and the second impeller are both installed in the first shell. The silencer body and the third shell are both arranged in the second shell, the third shell is arranged outside the silencer body in a surrounding mode, a first exhaust channel is formed between the third shell and the silencer body, and one end of the first exhaust channel is communicated with the second cavity. By reasonably arranging the third shell, the third shell is arranged outside the silencer body in a surrounding mode and forms the first exhaust channel, airflow after cooling the motor body can only enter the first exhaust channel, cooling airflow can directly and fully exchange heat with the silencer body when flowing through the first exhaust channel, and therefore heat of the silencer body is rapidly taken away, and the service life of the silencer body is prolonged. In this way, the cooling effect on the silencer body is greatly improved.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

To provide a more efficient gas-liquid separation structure. [Solution] The gas-liquid separation structure 1 receives the inflow of coolant C returning from the target element and includes a branching joint 10 for branching and discharging the inflowed coolant C to the target element and other elements. The branching joint 10 includes a body 100 having an elongated internal space S in the vertical direction D, a first inflow section 111 that allows the coolant C returning from the target element to flow into the internal space S from a first opening H1, a first discharge section 121 that discharges the coolant C that has flowed in from the first opening H1 and circulated downward through the internal space S from a second opening H2 located below the first opening H1, and a second discharge section 122 that discharges the coolant C that has been introduced from the first opening H1 and circulated upward through the internal space S from a third opening H3.

A runner plate assembly includes an isolation portion, a first plate and a second plate stacked together, the first plate having a first surface and a first groove, the first groove being recessed from the first surface in a direction away from the second plate; the second plate is provided with a second surface and a second groove, and the second groove is sunken from the second surface in the direction away from the first plate; wherein the first surface is arranged to be connected with the second surface, so that the first groove and the second groove intersect to define an intersection area; the isolation part is formed in the intersection area so as to isolate the fluid in the first groove from the fluid in the second groove.

The invention discloses an oxygen concentration control method and system for an engine, and belongs to the technical field of engine power systems.The method comprises the steps that the current intake oxygen concentration, the current operation rotating speed and the current intake manifold pressure of the engine are collected; generating a target parameter correction instruction based on the current intake oxygen concentration, the current operation rotating speed, the current intake manifold pressure and a pre-constructed pulse spectrogram; and based on the target parameter correction instruction and a preset operation rotating speed fluctuation range threshold value, the engine is controlled to operate stably. According to the scheme, the intake oxygen concentration, the operation rotating speed and the intake manifold pressure of the engine are combined with the pulse spectrogram calibrated under the target oxygen concentration and the target air-fuel ratio, dynamic regulation and control of the operation parameters of the engine and closed-loop correction of the combustion state are achieved, the intake oxygen concentration and the air-fuel ratio of the engine can be accurately and stably controlled, and the engine efficiency is improved. And it is guaranteed that efficient and stable combustion of fuel oil of the engine can be achieved under different working conditions.

The utility model relates to the technical field of vehicles, and discloses a cooling system and a vehicle, and the cooling system is used for cooling a control module; comprising a protection box in which a protection chamber and a cooling chamber are formed; the control module is arranged in the protection chamber; the protection box comprises a first plate body, and the first plate body is arranged between the protection cavity and the cooling cavity; the protection box further comprises an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the cooling cavity. One end of the cooling pipeline communicates with the air outlet, and the other end of the cooling pipeline communicates with an air inlet pipeline of the engine. According to the cooling system provided by the utility model, the protection box is arranged, and the protection chamber and the cooling chamber are formed in the protection box; the control module is arranged in the protection cavity, the cooling pipeline is communicated with the air inlet pipeline of the engine, the control module can be cooled, meanwhile, the safety protection effect on the control module can be achieved, and silt or dust or water in the environment is prevented from entering the control module.

A motor unit, particularly for operating machines, comprising an internal combustion engine provided with a cooling system that comprises a first heat exchanger fluidically connected to a cooling circuit obtained in said motor, and ventilation means adapted to generate an air flow through the first heat exchanger; the motor being further provided with a supercharging system that comprises a turbine mounted along an exhaust duct, a compressor mounted along a suction duct and a second heat exchanger placed along the suction duct, downstream of said compressor. The motor unit is characterized in that it comprises fluid conveying means adapted to make a flow of cooling air pass through the second heat exchanger, such flow being generated by the ventilation means.

A construction machine (100) is provided with: a hydrogen tank (31) for storing hydrogen; a heat exchanger (33) for exchanging heat with cooling air (CA); an electronic device (34) for operating the construction machine (100); and a machine room (14). In the machine chamber (14), the hydrogen tank (31) is disposed above the electronic device (34) and upstream of the heat exchanger (33) in the flow direction of the cooling air (CA).

The invention relates to a cooling device and engineering machinery comprising the same. A cooling device that cools an engine compartment, the temperature of which is increased by operation of an engine disposed in the engine compartment, includes: a fan that discharges air in the engine compartment to the outside; the radiator is used for allowing air of the engine room driven by the fan to pass through; and a backflow prevention part which is arranged at an interval from the fan by taking the radiator as the center so as to prevent the backflow of the air caused by the fan.

The application discloses a mute box for a diesel generating set, and relates to the technical field of power generation equipment, which comprises a diesel generator and a mute box, the diesel generator is arranged in the mute box, both ends of the mute box are provided with air inlets, one side of the mute box is provided with a plurality of air outlets, an exhaust fan is arranged in the mute box and located in the air outlet, a ventilation door is rotatably arranged on the other side of the mute box, an electric push rod is arranged in the mute box, the extension end of the electric push rod is connected with the ventilation door and is used for driving the ventilation door to open or close, and a dustproof mute cover for an organ is arranged in the mute box and connected with the ventilation door. When the temperature in the mute box is too high, the electric push rod drives the ventilation door to open, the ventilation door drives the dustproof mute cover for an organ to open, the opening of the ventilation door increases the air inlet amount of the mute box, the air circulation efficiency in the mute box is improved, and therefore the heat dissipation effect of the diesel generating set is improved.

The objective of the present invention is to provide a fuel supply system capable of cooling an object to be cooled. [Solution] The fuel supply system according to the present invention comprises a tank, a fuel supply path, a cooling path, and an evaporator. The tank contains fuel. The fuel supply path supplies fuel from the tank to an injector. The injector injects the fuel supplied by the fuel supply path. The upstream and downstream ends of the cooling path are connected to the tank, so that the fuel in the tank passes through the cooling path. The evaporator cools the fluid around the evaporator by changing the liquid fuel in the cooling path into a gaseous fuel. The fluid cooled by the evaporator cools the cooling target of the vehicle to which the fuel supply system is applied.

The application relates to the field of diesel generating set equipment, in particular to a super-silence diesel generating set which comprises a machine box, air inlets and air outlets are arranged at two ends of the machine box respectively, sound-absorbing assemblies are additionally arranged at the air inlets and the air outlets, the sound-absorbing assemblies are composed of multiple sound-absorbing plates, the multiple sound-absorbing plates are staggered and spaced in a horizontal direction, sound-absorbing channels are formed between two adjacent sound-absorbing plates, the sound-absorbing plates comprise first plate bodies and second plate bodies, the first plate bodies are used for guiding air flow between the inside and the outside of the machine box, and the second plate bodies are used for prolonging noise propagation paths. The application aims to optimize the air inlet pipeline of the generating set without increasing the overall volume of the generating set, to achieve noise reduction treatment, and to consider daily inspection, maintenance or emergency treatment of the generating set.

The utility model provides a silencer structure and an engine, the engine comprises a cylinder body, the silencer structure comprises a silencer body and a silencer cover, the cover body assembly comprises a front cover body and a rear cover body, the front cover body and the rear cover body are detachably connected, an installation cavity with the periphery closed and the two opposite ends open is formed between the front cover body and the rear cover body, the two open ends of the installation cavity are defined to be an air inlet and an air outlet respectively, and the air inlet and the air outlet are formed in the rear cover body and the front cover body respectively. A first heat dissipation path is formed between the air inlet and the air outlet, and the silencer structure body is located on the first heat dissipation path. The air guide port is formed in the front cover body and is used for constructing a second heat dissipation path with the air outlet; the first heat dissipation path and the second heat dissipation path are both used for dissipating heat of the silencer structure body. The technical problem that in the prior art, the temperature of a silencer is too high is solved.

The application discloses an energy-saving gasoline generator set for heat separation discharge, and relates to the technical field of generators, which comprises a base, a shielding box, a gasoline generator set device, a dustproof and dehumidifying structure, a backflow air duct and a heat dissipation mechanism, wherein the heat dissipation mechanism comprises an air inlet duct, a first air duct and a second air duct which are arranged in the inner side wall of the shielding box; the first air duct comprises a plurality of air outlets which are uniformly arranged at the bottom of the side wall of the shielding box and are used for precooling the bottom through the cold air sinking principle; the second air duct is provided with a plurality of air outlets which are used for targeted and accurate cooling of different heat generation areas of the gasoline generator set device; a capsule for actively compensating the suction of cold air power and a self-adaptive component for targeted and rapid cooling according to the position of the part in different heat generation states are fixed in each chamber; and the energy-saving gasoline generator set can realize the technical effects of improving heat dissipation uniformity, optimizing heat dissipation resource distribution, ensuring sufficient heat dissipation power, improving flexibility and improving heat dissipation efficiency.

A method arranged for cooling a device of a rock drilling apparatus (10) and a rock drilling apparatus (10) are disclosed. The method comprises: flushing the borehole (52) with compressed air by means of a flushing device, sucking at an opening (54) of the borehole (52) by means of a collecting device (16) for collecting an air flow (20) comprising drill cuttings (53) flowing out of the borehole (52), guiding the air flow (20) comprising drill cuttings (53) into a separating device (17), separating drill cuttings (52) from the air flow (20) by guiding the air flow (20) comprising drill cuttings (53) through the separating device (17), the air flow (20) is guided into the first defined volume (14) by means of a guiding device (18) in order to entrain air (21) located at the heat-generating device (15) in the first defined volume (14), and the guided air flow (20) and the entrained air (21) are guided out of the first defined volume (14) through an outlet device (19).

The noise reduction type generator set based on air duct optimization and structural sound insulation comprises a protective shell, a generator and a fan are arranged in the protective shell, and an air inlet air duct structure and an exhaust structure are arranged on the two sides of the protective shell correspondingly; the air inlet duct structure comprises a first air inlet groove and a second air inlet groove which are symmetrically formed in the side face of the protective shell, a first air guide cover and a second air guide cover are arranged on the portions, located on the outer sides of the first air inlet groove and the second air inlet groove, of the side face of the protective shell, and an air inlet cover is arranged between the first air guide cover and the second air guide cover. Ventilation grooves are formed in the opposite faces of the first air guide cover and the second air guide cover, first air inlets are formed in the two sides of the bottom side of the air inlet cover, and a third air guide cover is arranged on the side face of the protective shell and located on the inner sides of the first air inlet groove and the second air inlet groove. While efficient air inlet and heat dissipation of the generator set are guaranteed, the noise transmission path is effectively prolonged, pneumatic and structural noise is reduced, and the remarkable overall noise reduction effect is achieved.

A thermal choke, includes (1) a body, comprising a heat conductive material, (2) an electric heater, on or in the body, (3) a temperature sensor, on or in the body, and (4) a fin, in a channel surrounded by the body. The thermal choke is configured to fit between a throttle assembly and a cylinder of a spark ignition engine.

The utility model discloses an engine compartment cover and a ventilation sound insulation sealing plate structure thereof, and relates to the technical field of ventilation, the ventilation sound insulation sealing plate structure comprises at least two partition plates which are distributed up and down, the two partition plates are matched to form a cavity, the upper partition plate is provided with an air inlet, the lower partition plate is provided with an air outlet, and air flows in from the air inlet and is discharged from the air outlet. The flow track of the gas is nonlinear. When the device is used, the flowing track of the gas in the cavity is not linear, namely the gas flows in the cavity in a disordered manner, so that sound in a cabin cannot be radiated to the outside directly through the ventilation structure, the sound is attenuated when being repeatedly reflected between the partition plates, and sound radiation is further reduced. According to the device, the sufficient ventilation area in the engine compartment can be guaranteed, meanwhile, sound in the engine compartment cannot be directly radiated to the outside through the ventilation holes, and when the sound is repeatedly reflected between the partition plates, the sound radiation is attenuated and reduced, and the effective sound insulation purpose is achieved.

A control device of a vehicle and a method of estimating a temperature of a component of an internal combustion engine. The control device of the vehicle executes: a base temperature calculating process of calculating a base temperature of a component of an internal combustion engine; a correction value calculating process of calculating a correction value; a queue reflecting process of causing the correction value to reflect a tendency that the component is less likely to be cooled in a case where the temperature-estimating vehicle, in which the component whose temperature is estimated is mounted, is one of a plurality of vehicles constituting a queue than in a case where the temperature-estimating vehicle is a following vehicle; a last reflecting process of causing the correction value to reflect a tendency that the component is more likely to be cooled in a case where the temperature-estimating vehicle is a last vehicle than in a case where the temperature-estimating vehicle is not the last vehicle; and a component temperature estimating process of correcting the base temperature using the correction value.

Disclosed is a method and a rock drilling apparatus (10) arranged for cooling devices of the rock drilling apparatus (10). The method comprises, flushing a drill hole (52) with compressed air by flushing means, sucking at an opening (54) of the drill hole (52) by collecting means (16), for collecting an outgoing airstream (20) including drill cuttings (53) from the drill hole (52), leading the airstream (20) including drill cuttings (53) into a separating means (17), separating the drill cuttings (53) from the airstream (20) by leading the airstream (20) including drill cuttings (53) through the separating means (17), directing the airstream (20) into a first defined volume (14) by directing means (18), thereby entraining air (21) positioned at heat-generating devices (15) in the first defined volume (14), leading the directed airstream (20) and the entrained air (21) through an outlet means (19) out from the first defined volume (14).

This invention discloses a diesel generator set, including a generator set base, a noise-reducing housing on the top of the base, a cover on the top of the noise-reducing housing, an internal accommodating space, a heat dissipation seat at the lower end of the noise-reducing housing, a heat dissipation mechanism on the heat dissipation seat, a support seat at the bottom of the noise-reducing housing, a vibration damping platform inside the noise-reducing housing between the support seat and the heat dissipation seat, a plurality of vibration damping seats on the top of the vibration damping platform, guide holes at opposite ends of the vibration damping platform, guide rods between opposite ends of the bottom of the heat dissipation seat and the support seat, the vibration damping platform slidingly connected to the guide holes and guide rods, and an adjustment mechanism between the bottom of the vibration damping platform and the support seat. This invention, through a series of structural features, enables the diesel generator set to be installed on the heat dissipation seat for excellent heat dissipation performance, solves the problem of obstructed heat dissipation during installation, combines heat dissipation and vibration damping, reduces operating noise of the diesel generator set, and facilitates easy assembly and disassembly.

A system includes an air cooling system (18) having a heat exchanger (232), a fan (234), and a mount (236). The heat exchanger (232) includes an inlet, an outlet, and a heat exchange conduit (238) between the inlet and the outlet. The inlet is configured to couple to a bleed system (14) of a gas turbine system (10) to extract a bleed flow. The heat exchanger (232) is configured to cool the bleed flow along the heat exchange conduit (238) in a surrounding air to produce a cooled bleed flow. The outlet is configured to couple to a fuel purge system (16) of the gas turbine system (10) to supply the cooled bleed flow as a fuel purge flow. The fan (234) is configured to force an airflow from the surrounding air through the heat exchanger (232). The mount (236) is configured to mount the air cooling system (18) outside of an enclosure (188) surrounding the gas turbine system (10).

The invention relates to a speed sensitive air duct arrangement comprising an air duct having an interior space, an inlet at a front portion through which cooling air can be introduced, and an outlet at a rear portion through which cooling air can be discharged. A guide extends through the interior space of the air duct in a front-rear direction. The guide has a plurality of air baffles configured to guide the flow of cooling air and having a turning portion that changes the flow direction of the cooling air at some sections to reduce the flow of cooling air discharged to the outlet as the flow direction of the cooling air is further changed as the flow rate of cooling air entering the inlet increases.

The invention relates to a system (1) of controlled flaps comprising two sets (10a, 10b) of flaps (100), each set (10a, 10b) of flaps (100) being able to adopt an open position (p1) and a closed position (p2), characterized in that said system (1) of controlled flaps further comprises an actuator (11) that is configured to bring one (10a) of the sets (10a, 10b) of flaps (100) into the open position (p1) before the other (10b) of the sets (10a, 10b) of flaps (100).

An electronic fuel injection diesel engine that performs precise electronic fuel injection control is provided. A fuel injector (7) is configured to have a large-diameter main body portion (7c), a small-diameter nozzle portion (7d), and a pressing surface (7e) formed at a step portion of the main body portion (7c) and the nozzle portion (7d). The nozzle portion (7d) of the fuel injector (7) is inserted through a sleeve (10) and into a through-hole (1a). The fuel injector (7) is pressed by a pressing force (11) toward a swirl chamber (2). The pressing force (11) applied to the fuel injector (7) is received by a pressure receiving surface (10b) of the sleeve (10) via a gasket (12) from the pressing surface (7e) of the fuel injector (7).

There is provided a system having a cooling capabilities, system includes a housing (40) comprising a housing top; one or more air inlets (31, 32); a vertical electrical motor (60); a fan configured to cool the vertical electrical motor by sucking air from the one or more air inlets through a path that passes through an inner space in thermal communication with the housing top and through the vertical electrical motor; a rechargeable battery (51); a solar power supply unit (20) configured to recharge the rechargeable battery and to at least partially shield a housing top from sun radiation; a fan electrical motor (53) powered by the rechargeable battery; a controller (52) that is configured to: determine a manner of operating the fan out of (a) rotating the fan by the fan electrical motor while the fan is mechanically disengaged from the vertical electrical motor , (b) rotating the fan by the vertical electrical motor while the fan is engaged with the vertical electrical motor; and control the rotation of the fan according to the determining of the manner of operating the fan.

The invention provides a cooling and noise-reducing container type diesel generator set, belongs to the technical field of generator sets, and solves the technical problems of high noise, low heat dissipation efficiency, insufficient vibration isolation and the like of the existing generator set. Comprising a container assembly, a noise elimination and exhaust assembly is fixed to the upper end of the container assembly, a vibration isolation base assembly, a heat dissipation assembly, a sound insulation cabin, a control cabinet and a power distribution cabinet are arranged in the container assembly, a diesel generator assembly is arranged in the sound insulation cabin, and a plurality of vibration reduction assemblies are arranged between the diesel generator assembly and the bottom in the sound insulation cabin; the diesel generator assembly is provided with a waste gas exhaust pipe, a water inlet pipe and a water outlet pipe. Through the design of source sealing and multi-layer isolation, multiple silencing treatment is carried out, operation noise is reduced, cold and hot air duct separation is adopted, cooling water of equipment and an engine in a cabin is cooled, the heat dissipation capacity is high, a multi-stage vibration isolation structure is arranged, vibration is restrained, stable operation is ensured, and structural noise transmission is reduced.